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TWI385861B - Complex antenna - Google Patents

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Publication number
TWI385861B
TWI385861B TW096135428A TW96135428A TWI385861B TW I385861 B TWI385861 B TW I385861B TW 096135428 A TW096135428 A TW 096135428A TW 96135428 A TW96135428 A TW 96135428A TW I385861 B TWI385861 B TW I385861B
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TW
Taiwan
Prior art keywords
metal wire
sub
composite antenna
connecting portion
metal
Prior art date
Application number
TW096135428A
Other languages
Chinese (zh)
Other versions
TW200915666A (en
Inventor
Shang Jen Chen
Wen Fong Su
Yun Lung Ke
Chen Ta Hung
Hsien Sheng Tseng
Shu Yean Wang
Original Assignee
Hon Hai Prec Ind Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hon Hai Prec Ind Co Ltd filed Critical Hon Hai Prec Ind Co Ltd
Priority to TW096135428A priority Critical patent/TWI385861B/en
Publication of TW200915666A publication Critical patent/TW200915666A/en
Application granted granted Critical
Publication of TWI385861B publication Critical patent/TWI385861B/en

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2291Supports; Mounting means by structural association with other equipment or articles used in bluetooth or WI-FI devices of Wireless Local Area Networks [WLAN]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04Resonant antennas
    • H01Q9/30Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/40Element having extended radiating surface

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Details Of Aerials (AREA)

Description

複合天線 Composite antenna

本發明涉及一種複合天線,特別是可應用在無線局域網路上的高增益天線。 The present invention relates to a composite antenna, particularly a high gain antenna that can be applied to a wireless local area network.

隨著無線通訊產業的快速發展,無線局域網路的應用也越來越廣泛,因此,具有高增益的天線設計也漸受重視。同時,為了降低製作成本與增加效能,也必須考量其製作方式與結構之改善。台灣公告第TW I241743號專利揭示了一種全向性平面單極天線,其利用增加輻射金屬線段以提高天線增益,但由於回流電路的影響,導致天線性能不夠理想。 With the rapid development of the wireless communication industry, the application of wireless local area network is becoming more and more extensive. Therefore, the antenna design with high gain is also receiving more and more attention. At the same time, in order to reduce production costs and increase efficiency, we must also consider the improvement of its production methods and structure. Taiwan Patent Publication No. TW I241743 discloses an omnidirectional planar monopole antenna which utilizes the addition of a radiant metal line segment to increase the antenna gain, but due to the influence of the reflow circuit, the antenna performance is not ideal.

在本發明中,提出一種具有高增益的平面複合天線設計,該天線不僅增加輻射金屬線段以提高天線增益,而且可防止電流回流,提高天線性能。 In the present invention, a planar composite antenna design with high gain is proposed, which not only increases the radiation metal line segment to improve the antenna gain, but also prevents current reflow and improves antenna performance.

本發明的目的在於提供一種複合天線,其形成於印刷電路板上,具有高增益且工作穩定。 It is an object of the present invention to provide a composite antenna that is formed on a printed circuit board with high gain and stable operation.

為實現上述目的,本發明提供一種複合天線,其包括:具有第一表面和第二表面的印刷電路板,位於印刷電路板第一表面上的輻射金屬線和位於印刷電路板第二表面上大體呈“山”型的接地金屬線;前述輻射金屬線包括依次連接的多個子金屬線,該等子金屬線包括直線狀結構和連續彎折的迂迴狀結構,其前述直線狀結構與迂迴狀結構係交替設置。 To achieve the above object, the present invention provides a composite antenna comprising: a printed circuit board having a first surface and a second surface, a radiant metal line on a first surface of the printed circuit board and a second surface on the printed circuit board a "mountain" type grounding metal wire; the radiating metal wire includes a plurality of sub-metal wires sequentially connected, the sub-metal wires including a linear structure and a continuously bent meandering structure, the linear structure and the meandering structure Alternate settings.

先前技術相比,本發明具有如下功效:可提高天線的穩定性。 Compared with the prior art, the present invention has the following effects: the stability of the antenna can be improved.

下面結合附圖及較佳實施例對本發明作進一步說明。 The invention will now be further described with reference to the drawings and preferred embodiments.

請參照第一圖,本創作複合天線100工作於WLAN(Wireless Local Area Network,無線局域網),其包括PCB(Printed Circuit Board印刷電路板)1、第一連接部2、第二連接部3、一輻射金屬線13和一接地金屬線14。前述PCB1具有一第一表面11和一第二表面12。PCB1的第一和第二表面11、12的末端分別設有第一連接部2和第二連接部3,第一連接部2、第二連接部3和PCB1上設有複數電氣導通孔20,該等電氣導通孔20可將位於PCB1兩表面的連接部電性導通。本實施例中設置了兩對電氣導通孔20。前述輻射金屬線13位於該PCB1之第一表面11上,主要包括一第一子金屬線130、一第二子金屬線131、一第三子金屬線132、一第四子金屬線133和一第五子金屬線134。前述第一子金屬線130朝向遠離該第一連接部2之方向延伸,長度大致為該天線中心操作頻率之1/2波長,且在臨近第一連接部2的最末端設有一天線的饋入點110,用以連接同軸傳輸線纜的芯線(未圖示),同軸傳輸線纜還具有一接地外導體(未圖示)電性連接於第一連接部2上。前述第二子金屬線131為彎折迂迴狀結構,其承接第一子金屬線130末端且具有至少3次之彎折,其彎折總路徑約為該天線中心操作頻率之1/2波長;前述第三子金屬線132承接第二子金屬線131末端繼續向 遠離第一連接部2之方向延伸,其長度大致為該天線中心操作頻率之1/2波長;前述第四子金屬線133承接第三子金屬線134末端與第二子金屬線131的設置相同,具有至少3次之彎折,其彎折總路徑約為該天線中心操作頻率之1/2波長;前述第五子金屬線134承接第四子金屬線133末端向遠離第一連接部2的方向延伸,其長度大致為中心操作頻率之1/2波長。 Referring to the first figure, the present composite antenna 100 operates in a WLAN (Wireless Local Area Network), and includes a PCB (Printed Circuit Board) 1, a first connecting portion 2, a second connecting portion 3, and a The metal wire 13 and a ground metal wire 14 are radiated. The aforementioned PCB 1 has a first surface 11 and a second surface 12. The first connecting portion 2 and the second connecting portion 3 are respectively disposed at the ends of the first and second surfaces 11 and 12 of the PCB 1. The first connecting portion 2, the second connecting portion 3 and the PCB 1 are provided with a plurality of electrical through holes 20, The electrical vias 20 electrically connect the connections on both surfaces of the PCB 1. Two pairs of electrical vias 20 are provided in this embodiment. The radiant metal line 13 is located on the first surface 11 of the PCB 1, and mainly includes a first sub-metal line 130, a second sub-metal line 131, a third sub-metal line 132, a fourth sub-metal line 133 and a The fifth sub-metal line 134. The first sub-metal wire 130 extends away from the first connecting portion 2, has a length of approximately 1/2 wavelength of the central operating frequency of the antenna, and is provided with an antenna feeding near the end of the first connecting portion 2. A point 110 is used to connect a core wire (not shown) of the coaxial transmission cable. The coaxial transmission cable further has a grounding outer conductor (not shown) electrically connected to the first connecting portion 2. The second sub-metal wire 131 is a bent meandering structure, which receives the end of the first sub-metal wire 130 and has at least 3 bends, and the total bending path is about 1/2 wavelength of the central operating frequency of the antenna; The third sub-metal line 132 receives the end of the second sub-metal line 131 and continues to Extending away from the direction of the first connecting portion 2, the length of which is approximately 1/2 wavelength of the central operating frequency of the antenna; the fourth sub-metal wire 133 receiving the end of the third sub-metal wire 134 is the same as the second sub-metal wire 131 The bending has a total path of about 1/2 wavelength of the central operating frequency of the antenna; the fifth sub-metal wire 134 receives the end of the fourth sub-metal wire 133 away from the first connecting portion 2 The direction extends and its length is approximately 1/2 wavelength of the central operating frequency.

請參照第二圖,前述接地金屬線14位於PCB1之第二表面12上,其相當於複合天線100之接地部。該接地金屬線14外型呈倒“山”形,其位於中間的金屬線與第二連接部3連接,其能防止回流電流流回同軸傳輸線外導體,從而提高天線輻射性能。 Referring to the second figure, the grounding metal wire 14 is located on the second surface 12 of the PCB 1, which corresponds to the grounding portion of the composite antenna 100. The grounding wire 14 has an inverted "mountain" shape, and the metal wire in the middle is connected to the second connecting portion 3, which can prevent the return current from flowing back to the outer conductor of the coaxial transmission line, thereby improving the radiation performance of the antenna.

請參照第三圖,本發明複合天線可工作於無線局域網路之5150MHz至5850MHz的操作頻帶。 Referring to the third figure, the composite antenna of the present invention can operate in the operating band of 5150 MHz to 5850 MHz of the wireless local area network.

本實施例中的輻射金屬線13和接地金屬線14由印刷技術形成於PCB1上。當然,本發明也可使用其他介質基板(如FPC)來代替PCB,以達到同樣效果。 The radiant metal line 13 and the ground metal line 14 in this embodiment are formed on the PCB 1 by a printing technique. Of course, the present invention can also use other dielectric substrates (such as FPC) instead of the PCB to achieve the same effect.

100‧‧‧復合天線 100‧‧‧Composite antenna

1‧‧‧PCB 1‧‧‧PCB

11‧‧‧第一表面 11‧‧‧ first surface

110‧‧‧饋入點 110‧‧‧Feeding point

12‧‧‧第二表面 12‧‧‧ second surface

13‧‧‧輻射金屬線 13‧‧‧radiation wire

130‧‧‧第一子金屬線 130‧‧‧First sub-metal wire

131‧‧‧第二子金屬線 131‧‧‧Second sub-metal wire

132‧‧‧第三子金屬線 132‧‧‧ third sub-metal wire

133‧‧‧第四子金屬線 133‧‧‧ fourth sub-metal wire

134‧‧‧第五子金屬線 134‧‧‧ fifth sub-metal wire

14‧‧‧接地金屬線 14‧‧‧Grounding wire

2‧‧‧第一連接部 2‧‧‧First connection

20‧‧‧電氣導通孔 20‧‧‧Electrical vias

3‧‧‧第二連接部 3‧‧‧Second connection

第一圖為本發明複合天線的第一表面的立體視圖。 The first figure is a perspective view of a first surface of a composite antenna of the present invention.

第二圖為本發明複合天線的第二表面的立體視圖。 The second figure is a perspective view of the second surface of the composite antenna of the present invention.

第三圖為本發明複合天線的電壓駐波比圖。 The third figure is a voltage standing wave ratio diagram of the composite antenna of the present invention.

100‧‧‧復合天線 100‧‧‧Composite antenna

1‧‧‧PCB 1‧‧‧PCB

11‧‧‧第一表面 11‧‧‧ first surface

110‧‧‧饋入點 110‧‧‧Feeding point

13‧‧‧輻射金屬線 13‧‧‧radiation wire

130‧‧‧第一子金屬線 130‧‧‧First sub-metal wire

131‧‧‧第二子金屬線 131‧‧‧Second sub-metal wire

132‧‧‧第三子金屬線 132‧‧‧ third sub-metal wire

133‧‧‧第四子金屬線 133‧‧‧ fourth sub-metal wire

134‧‧‧第五子金屬線 134‧‧‧ fifth sub-metal wire

2‧‧‧連接部 2‧‧‧Connecting Department

20‧‧‧電氣導通孔 20‧‧‧Electrical vias

Claims (13)

一種複合天線,其包括:印刷電路板,具有第一表面和第二表面;輻射金屬線,位於印刷電路板第一表面上,其包括依次連接的多個子金屬線,該等子金屬線包括直線狀結構和連續彎折的迂迴狀結構,前述直線狀結構與迂迴狀結構係交替設置,前述輻射金屬線包括第一子金屬線及第二子金屬線,所述第二金屬線承接第一子金屬線的末端且至少具有三次之折彎;接地金屬線,位於印刷電路板第二表面上,大體呈“山”型。 A composite antenna comprising: a printed circuit board having a first surface and a second surface; a radiating metal line on the first surface of the printed circuit board, comprising a plurality of sub-metal wires sequentially connected, the sub-metal wires including a straight line And a continuously bent meandering structure, wherein the linear structure and the meandering structure are alternately arranged, the radiating metal wire comprises a first sub-metal wire and a second sub-metal wire, and the second metal wire receives the first sub-wire The end of the metal wire has at least three bends; the grounded metal wire is located on the second surface of the printed circuit board and is generally "mountain" type. 如申請專利範圍第1項所述之複合天線,其中前述輻射金屬線還包括第三子金屬線、第四子金屬線和第五子金屬線,所述第一、第三和第五子金屬線為直線狀結構,所述第二和第四子金屬線為連續彎折的迂迴狀結構。 The composite antenna of claim 1, wherein the radiation metal wire further comprises a third sub-metal wire, a fourth sub-metal wire and a fifth sub-metal wire, the first, third and fifth sub-metals The line is a linear structure, and the second and fourth sub-metal lines are continuously bent meandering structures. 如申請專利範圍第2項所述之複合天線,其中前述複合天線包括分別位於印刷電路板兩面一端之第一連接部和第二連接部。 The composite antenna according to claim 2, wherein the composite antenna comprises a first connecting portion and a second connecting portion respectively located at one ends of the printed circuit board. 如申請專利範圍第2項所述之複合天線,其中前述輻射金屬線的第一子金屬線沿遠離第一連接部的方向延伸。 The composite antenna of claim 2, wherein the first sub-metal wire of the aforementioned radiating metal wire extends in a direction away from the first connecting portion. 如申請專利範圍第4項所述之複合天線,其中前述第一子金屬線的長度大致為該天線中心操作頻率的1/2波長。 The composite antenna of claim 4, wherein the length of the first sub-metal wire is approximately 1/2 wavelength of the center operating frequency of the antenna. 如申請專利範圍第2項所述之複合天線,其中前述輻射金屬線的第二子金屬線承接第一子金屬線的末端且具有至少三次之彎折,第二子金屬線的彎折總路徑約為該天線中心 操作頻率之1/2波長。 The composite antenna according to claim 2, wherein the second sub-metal wire of the radiant metal wire receives the end of the first sub-metal wire and has at least three bends, and the total bending path of the second sub-metal wire About the center of the antenna 1/2 wavelength of the operating frequency. 如申請專利範圍第2項所述之複合天線,其中前述第三子金屬線承接第二子金屬線末端繼續向遠離第一連接部之方向延伸,其長度大致為該天線中心操作頻率之1/2波長。 The composite antenna according to claim 2, wherein the third sub-metal wire receives the second sub-metal wire end and continues to extend away from the first connecting portion, and the length thereof is approximately 1/1 of the central operating frequency of the antenna. 2 wavelengths. 如申請專利範圍第2項所述之複合天線,其中前述第四子金屬線承接第三子金屬線末端與第二子金屬線的設置相同,具有至少三次之彎折,其彎折總路徑約為該天線中心操作頻率之1/2波長。 The composite antenna according to claim 2, wherein the fourth sub-metal wire receives the same end of the third sub-metal wire and the second sub-metal wire, and has at least three bends, and the total bending path is about The wavelength of the center of the antenna is 1/2 wavelength. 如申請專利範圍第2項所述之複合天線,其中前述第五子金屬線承接第四子金屬線末端向遠離第一連接部的方向延伸,其長度大致為中心操作頻率之1/2波長。 The composite antenna according to claim 2, wherein the fifth sub-metal wire extends from the end of the fourth sub-metal wire in a direction away from the first connecting portion, and has a length substantially equal to a half wavelength of the central operating frequency. 如申請專利範圍第1項所述之複合天線,其中輻射金屬線和接地金屬線由印刷技術形成於印刷電路板上。 The composite antenna of claim 1, wherein the radiating metal wire and the grounding metal wire are formed on a printed circuit board by a printing technique. 如申請專利範圍第3項所述之複合天線,其中第一連接部和第二連接部通過貫通印刷電路板之通孔電性導通。 The composite antenna according to claim 3, wherein the first connecting portion and the second connecting portion are electrically connected by a through hole penetrating the printed circuit board. 如申請專利範圍第3項所述之複合天線,其中“山”形接地金屬線位於中間的金屬線與第二連接部連接。 The composite antenna according to claim 3, wherein the metal line in which the "mountain" shaped grounding wire is located is connected to the second connecting portion. 如申請專利範圍第3項所述之複合天線,其中前述複合天線具有一同軸線纜,該同軸線纜具有與第一子金屬線電性連接的提供饋電的內導體和與第一連接部電性連接的提供接地的外導體。 The composite antenna of claim 3, wherein the composite antenna has a coaxial cable having an inner conductor and a first connecting portion electrically connected to the first sub-metal wire. Electrically connected outer conductor that provides grounding.
TW096135428A 2007-09-21 2007-09-21 Complex antenna TWI385861B (en)

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TWI385861B true TWI385861B (en) 2013-02-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9748659B2 (en) 2013-12-18 2017-08-29 Winstron Neweb Corp. High gain antenna structure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2034092B1 (en) * 2023-02-06 2024-08-23 The Antenna Company International N V Antenna assembly comprising a printed circuit board and one or more antenna modules, method of grounding such an antenna assembly, and an antenna module suitable for use in an antenna assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5949383A (en) * 1997-10-20 1999-09-07 Ericsson Inc. Compact antenna structures including baluns
US6337666B1 (en) * 2000-09-05 2002-01-08 Rangestar Wireless, Inc. Planar sleeve dipole antenna
TWI241743B (en) * 2004-07-30 2005-10-11 Advanced Connectek Inc An omnidirectional planar monopole antenna

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5949383A (en) * 1997-10-20 1999-09-07 Ericsson Inc. Compact antenna structures including baluns
US6337666B1 (en) * 2000-09-05 2002-01-08 Rangestar Wireless, Inc. Planar sleeve dipole antenna
TWI241743B (en) * 2004-07-30 2005-10-11 Advanced Connectek Inc An omnidirectional planar monopole antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9748659B2 (en) 2013-12-18 2017-08-29 Winstron Neweb Corp. High gain antenna structure

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